Abstract
This paper deals with ultrasound medical image processing, particularly to filter the noise while preserving the edges and structures of information. The mathematical processing consists in solving by a numerical way a nonlinear evolutive boundary value problem. Several numerical semi-implicit time marching schemes are considered and analyzed. At each time step, parallel synchronous or asynchronous Schwarz alternating methods are used to solve the linear system and its convergence is studied. Lastly, the results of sequential and parallel simulations are presented.
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Chau, M., Tauber, C. & Spiteri, P. Parallel Schwarz alternating methods for anisotropic diffusion of speckled medical images. Numer Algor 51, 85–114 (2009). https://doi.org/10.1007/s11075-009-9272-5
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DOI: https://doi.org/10.1007/s11075-009-9272-5
Keywords
- Parallel asynchronous algorithm
- Schwarz alternating method
- Subdomain method
- Boundary value problem
- Large scale system
- Anisotropic diffusion
- Optical coherence tomography
- Ultrasound imaging